21127656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 36933144

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 191, 264, 382, 419, 573, 764, 838, 1146, 1257, 1528, 1676, 2101, 2292, 2514, 3352, 4202, 4584, 4609, 5028, 6303, 8404, 9218, 10056, 12606, 13827, 16808, 18436, 25212, 27654, 36872, 50424, 55308, 80029, 110616, 160058, 240087, 320116, 480174, 640232, 880319, 960348, 1760638, 1920696, 2640957, 3521276, 5281914, 7042552, 10563828, 21127656]

約数ペア:

[(1, 21127656), (2, 10563828), (3, 7042552), (4, 5281914), (6, 3521276), (8, 2640957), (11, 1920696), (12, 1760638), (22, 960348), (24, 880319), (33, 640232), (44, 480174), (66, 320116), (88, 240087), (132, 160058), (191, 110616), (264, 80029), (382, 55308), (419, 50424), (573, 36872), (764, 27654), (838, 25212), (1146, 18436), (1257, 16808), (1528, 13827), (1676, 12606), (2101, 10056), (2292, 9218), (2514, 8404), (3352, 6303), (4202, 5028), (4584, 4609)]